VISHAY BZT03 Series Zener Diode, 270V, 3.25W, SOD-57, Through Hole, 5%, 2-Pin

Tightly Controlled Zener Regulation

The VISHAY BZT03 Series Zener Diode provides a precise nominal Zener voltage of 270V with a tolerance of 5%, ensuring reliable voltage regulation in demanding electronic circuits. With a power dissipation rating of 3.25W, this diode is designed to handle significant power levels while maintaining stable performance.

Exceptional Surge Protection

Featuring a clamping time in picoseconds, this Zener diode delivers rapid response to transient voltage spikes, making it ideal for surge protection applications. Its dynamic resistance of 450Ω at 1000mA ensures efficient voltage clamping, while a maximum stand-off reverse current of only 5μA at 220V minimises leakage and enhances circuit efficiency.

Robust & Reliable Construction

Housed in a SOD-57 through-hole package, this diode is easy to integrate into PCB designs. It operates reliably at temperatures up to 175°C, offering excellent thermal stability. The component is AEC-Q101 qualified, making it suitable for automotive-grade applications where reliability is paramount.

Key Features

• Zener Voltage Nominal: 270V
• Power Dissipation: 3.25W
• Diode Case Style: SOD-57
• No. of Pins: 2
• Mounting Type: Through Hole
• Product Range: BZT03 Series
• Qualification: AEC-Q101
• Operating Temperature Max: 175°C
• Test Current: 2mA
• Dynamic Resistance: 450Ω at 1000mA
• Maximum Stand-off Reverse Current: 5μA at 220V

This Zener diode delivers high precision, fast clamping, and robust performance, ensuring dependable operation in a wide array of applications.

Applications

• Voltage regulation in power supplies
• Surge protection circuits
• Overvoltage protection in automotive electronics
• Industrial control systems
• Telecomm.